/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import {defineComponent, onMounted, ref, toRefs, watch} from 'vue'
import {NGrid, NGi} from 'naive-ui'
import {startOfToday, getTime} from 'date-fns'
import {useI18n} from 'vue-i18n'
import {useTaskState} from './use-task-state'
import {useProcessState} from './use-process-state'
import StateCard from './components/state-card'
import DefinitionCard from './components/definition-card'

export default defineComponent({
    name: 'home',
    setup() {
        const {t, locale} = useI18n()
        const dateRef = ref([getTime(startOfToday()), Date.now()])
        const taskStateRef = ref()
        const processStateRef = ref()
        const {getTaskState, taskVariables} = useTaskState()
        const {getProcessState, processVariables} = useProcessState()

        const initData = () => {
            taskStateRef.value = getTaskState(dateRef.value) || taskStateRef.value
            processStateRef.value =
                getProcessState(dateRef.value) || processStateRef.value
        }

        const handleTaskDate = (val: any) => {
            taskStateRef.value = getTaskState(val)
        }

        const handleProcessDate = (val: any) => {
            processStateRef.value = getProcessState(val)
        }

        onMounted(() => {
            initData()
        })

        watch(
            () => locale.value,
            () => initData()
        )

        return {
            t,
            dateRef,
            handleTaskDate,
            handleProcessDate,
            taskStateRef,
            processStateRef,
            ...toRefs(taskVariables),
            ...toRefs(processVariables)
        }
    },
    render() {
        const {
            t,
            dateRef,
            handleTaskDate,
            handleProcessDate,
            taskLoadingRef,
            processLoadingRef
        } = this

        return (
            <div>
                <NGrid x-gap={12} cols={2}>
                    <NGi>
                        <StateCard
                            title={t('home.task_state_statistics')}
                            date={dateRef}
                            tableData={this.taskStateRef?.value.table}
                            chartData={this.taskStateRef?.value.chart}
                            onUpdateDatePickerValue={handleTaskDate}
                            loadingRef={taskLoadingRef}
                        />
                    </NGi>
                    <NGi>
                        <StateCard
                            title={t('home.process_state_statistics')}
                            date={dateRef}
                            tableData={this.processStateRef?.value.table}
                            chartData={this.processStateRef?.value.chart}
                            onUpdateDatePickerValue={handleProcessDate}
                            loadingRef={processLoadingRef}
                        />
                    </NGi>
                </NGrid>
                <NGrid cols={1} style='margin-top: 12px;'>
                    <NGi>
                        <DefinitionCard title={t('home.process_definition_statistics')}/>
                    </NGi>
                </NGrid>
            </div>
        )
    }
})
